<template>
  <div id="app">
    <!-- <img alt="Vue logo" src="./assets/logo.png">
    <HelloWorld msg="Welcome to Your Vue.js App"/> -->
    <Nav></Nav>
    <Top></Top>
    <Center></Center>
    <Bottom></Bottom>
  </div>
</template>

<script>
import Nav from "./components/nav.vue";
import Top from "./components/top.vue";
import Center from "./components/center.vue";
import Bottom from "./components/bottom.vue";

export default {
  name: "App",
  components: {
    Top,
    Nav,
    Center,
    Bottom,
  },
};
</script>

<style>
* {
  margin: 0;
  padding: 0;
}
#app {
  text-align: center;
  background-color: #cccccc;
  width: 390px;
  height: -webkit-fill-available;
}
.top,.center,.bottom{
  width: 300px;
  height: 230px;
  border: 1px solid #cccccc;
  border-radius: 5px;
  background-color: white;
}
#app div {
  margin: 5px auto 10px auto;
}
.introduce{
    text-align: left;
    margin-top: 10px;
}
span:first-child{
    font-weight: 700;
}
img {
  width: 300px;
}
</style>
